18406873478656

Names of 18406873478656

• Cardinal: 18406873478656 can be written as Eighteen trillion, four hundred six billion, eight hundred seventy-three million, four hundred seventy-eight thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.8406873478656 × 10¹³

Factors of 18406873478656

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 165

Divisors of 18406873478656

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 71 79 104 128 142 158 208 256 284 316 416 512 568 632 832 923 1027 1136 1264 1664 1846 2054 2272 2528 3328 3692 4108 4544 5056 5609 6241 6656 7384 8216 9088 10112 11218 12482 14768 16432 18176 20224 22436 24964 29536 32864 36352 40448 44872 49928 59072 65728 72917 81133 89744 99856 118144 131456 145834 162266 179488 199712 236288 262912 291668 324532 358976 399424 443111 472576 493039 525824 583336 649064 717952 798848 886222 986078 1166672 1298128 1435904 1597696 1772444 1972156 2333344 2596256 2871808 3195392 3544888 3944312 4666688 5192512 5760443 6409507 7089776 7888624 9333376 10385024 11520886 12819014 14179552 15777248 18666752 20770048 23041772 25638028 28359104 31554496 35005769 37333504 38950081 41540096 46083544 51276056 56718208 63108992 70011538 77900162 92167088 102552112 113436416 126217984 140023076 155800324 184334176 205104224 226872832 252435968 280046152 311600648 368668352 410208448 455074997 506351053 560092304 623201296 737336704 820416896 910149994 1012702106 1120184608 1246402592 1474673408 1640833792 1820299988 2025404212 2240369216 2492805184 2765455751 2949346816 3281667584 3640599976 4050808424 4480738432 4985610368 5530911502 7281199952 8101616848 8961476864 9971220736 11061823004 14562399904 16203233696 17922953728 19942441472 22123646008 29124799808 32406467392 35950924763 44247292016 58249599616 64812934784 71901849526 88494584032 116499199232 129625869568 143803699052 176989168064 232998398464 259251739136 287607398104 353978336128 575214796208 707956672256 1150429592416 1415913344512 2300859184832 4601718369664 9203436739328 18406873478656
• Sum of all divisors σ(n): 40679632368144
• Sum of proper divisors (its aliquot sum) s(n): 22272758889488
• 18406873478656 is an abundant number, because the sum of its proper divisors (22272758889488) is greater than itself. Its abundance is 3865885410832

Bases of 18406873478656

• Binary: 100001011110110101111001001111011011000000000₂
• Hexadecimal: 0x10BDAF27B600
• Base-36: 6IW017U9S

Squares and roots of 18406873478656

• 18406873478656 squared (18406873478656²) is 338812991259249634487566336
• 18406873478656 cubed (18406873478656³) is 6236487863033989241496446671107880124416
• The square root of 18406873478656 is 4290323.2370831921
• The cube root of 18406873478656 is 26403.4093577909

Scales and comparisons

• 18,406,873,478,656 seconds is equal to 585,281 years, 33 weeks, 2 days, 2 hours, 44 minutes, 16 seconds.
• To count from 1 to 18,406,873,478,656 would take you about one million, four hundred sixty-three thousand, two hundred four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18406873478656 cubic inches would be around 2200.3 feet tall.

Recreational maths with 18406873478656

• 18406873478656 backwards is 65687437860481
• The number of decimal digits it has is: 14
• The sum of 18406873478656's digits is 73
• More coming soon!